22 mm blue silicone tube

ProtoXide 4-digit digital rectangular exhaust temperature gauge with red or blue display, compact, EGT pressure gauge complete with PROFESSIONAL yellow probe, and ultra fast . Enthusiasts and professionals know this tool perfectly and consider it the best reference EGT exhaust tool, given its absolute precision and speed compared to all other tools on the market. ProtoXide in fact decided to build this very fast and precise EGT which allows it to be the only instrument with non-volatile memory , meaning that even if the panel is turned off the measurement of the maximum peak reached will not be lost!